Plants (MS Science Bowl)

Stamen is to anther as carpel is to:

• sepal
•   ovary
•   egg
•   pollen

Which of the following phenomena does NOT contribute to water's ability to move against gravity through a plant's vascular system?

• Capillary action
•   Transpiration pull
•   Phloem pressure [FLOH-em]
•   Osmotic pressure

Which of the following is a phylum of plants that is characterized by naked or uncovered seeds?

• Gymnosperms
•   Angiosperms
•   Algae
•   Monocots

In 1665, what person, using a microscope he built, observed perforations in plant stems, which he called cells:

• Robert Hooke
•   Anton Van Leewenhoek
•   Carolus Linnaeus
•   Theodor Schwann

Which of the following is the LEAST likely method a maple tree uses to regulate water:

• storing water in vacuoles
•   opening and closing stomata in stems and leaves
•   transporting water in their heartwood
•   absorbing water through root hairs

The green pigment in plants that captures the energy of sunlight and initiates photosynthesis is called:

• chlorophyll
•   anthocyanin
•   carotene
•   xanthophylls

What is the most important function of fiber tracheids (read as: TRAY-key-ids) in woody plants:

• energy storage
•   structural support
•   sugary sap movement
•   absorption of nutrients from the soil

In bean and corn seeds, the food supply that is used by the seed to germinate and grow is in which of the following:

• cotyledon (PRONOUNCED: KOT-ill-ee-don)
•   root tip
•   abcission zone
•   petiole

What do we call the evaporation of water from plants that occurs chiefly while their stomata are open for the passage of carbon dioxide and oxygen during photosynthesis (read as: fōe-tōe-SIN-teh-sis)?

• Transpiration
•   Chemotaxis (read as: kee-MŌE-tahk-SIS)
•   Chemosynthesis
•   Chlorophyll

Which of the following accurately matches the part of the flower and its description?

• Top part of the stamen that produces and bears pollen – sepal
•   Swollen base of the flower than attaches it to the stem – carpel
•   Sticky part of the flower’s carpel that traps pollen grains – stigma
•   Part of the flower containing the ovules that later develop into seeds – anther